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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The type of rotary compressor used in gas turbines, is of

Axial flow type
Centrifugal type
None of the listed here
Radial flow type

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Compressors, Gas Turbines and Jet Engines
Air-fuel ratio in a jet engine will be of the order of

0.83402777777778
2.5006944444444
0.41736111111111
0.62569444444444

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Compressors, Gas Turbines and Jet Engines
Water is injected in gas turbine cycle to

Control fire hazards
Control temperature
Increase efficiency
Control output of turbine

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Compressors, Gas Turbines and Jet Engines
Axial flow compressor has the following advantage over centrifugal compressor

Larger air handling ability per unit frontal area
Higher average velocities
Higher pressure ratio per stage
Aerofoil blades are used

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Compressors, Gas Turbines and Jet Engines
Out of the following, from where you will prefer to take intake for air compressor

From an air conditioned room maintained at 20°C
From a side where cooling tower is located nearby
From coal yard side
From outside atmosphere at 1°C

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Compressors, Gas Turbines and Jet Engines
Which of the following plants is smallest and lightest for generating a given amount of power?

Solar plant
Gas turbine plant
Petrol engine
Diesel engine

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